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Chemical Properties of Hafnium and Terbium


Chemical Properties of Terbium and Hafnium


Chemical Properties

Chemical Formula
Hf   
Tb   

Isotopes
  
  

Known Isotopes
32   
7
26   
13

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
Not Available   

Allred Rochow Electronegativity
1.23   
25
1.10   
30

Allen Electronegativity
1.16   
37
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
Not Available   

Ionization Energies
  
  

1st Energy Level
658.50 kJ/mol   
40
603.40 kJ/mol   
99+

2nd Energy Level
1,440.00 kJ/mol   
99+
1,174.80 kJ/mol   
99+

3rd Energy Level
2,250.00 kJ/mol   
99+
2,417.00 kJ/mol   
99+

4th Energy Level
3,216.00 kJ/mol   
99+
4,203.00 kJ/mol   
31

Electrochemical Equivalent
1.66 g/amp-hr   
99+
1.98 g/amp-hr   
31

Electron Work Function
3.90 eV   
27
3.00 eV   
36

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   

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